How to make an origami chair with triangular legs

(page 17)

31th picture of origami chair with triangular legs

31.

Apply the "valley-fold" of the step #30.

Prepare to apply a "valley-fold" .

32th picture of origami chair with triangular legs

32.

Apply the "valley-fold" of the step #31.

Prepare to apply a horizontal "valley-fold" .